JPH025714U - - Google Patents
Info
- Publication number
- JPH025714U JPH025714U JP1988083595U JP8359588U JPH025714U JP H025714 U JPH025714 U JP H025714U JP 1988083595 U JP1988083595 U JP 1988083595U JP 8359588 U JP8359588 U JP 8359588U JP H025714 U JPH025714 U JP H025714U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- ring
- cam
- cam ring
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 4
Landscapes
- Lens Barrels (AREA)
Description
第１図ないし第３図は本考案のズームレンズ鏡
筒の実施例を示す上半断面図で、第１図は収納状
態、第２図はワイド端状態、第３図はテレ端状態
をそれぞれ示す図、第４図はカム環、レンズ案内
環およびカム環ヘリコイドの展開図である。
１１……カメラボデイ、１２……固定筒、１５
，１６……移動レンズ、１８……外側ヘリコイド
（内周ヘリコイド）、２０……内側ヘリコイド（
外周ヘリコイド）、２２……カム環、２４……レ
ンズ案内環、２６……直進案内板、２７……レン
ズ案内環ガイド溝、３０……前群レンズ枠、３１
……後群レンズ枠、３２……シヤツタブロツク、
３３……ヘリコイドリング、３４……前群移動枠
、３５，３６……ガイドピン、４１……前群カム
溝、４２……後群カム溝、４３，４４……レンズ
ガイド溝、４５……遮光板。
Figures 1 to 3 are upper half cross-sectional views showing an embodiment of the zoom lens barrel of the present invention, in which Figure 1 shows the stored state, Figure 2 shows the wide end state, and Figure 3 shows the telephoto end state. The figure shown in FIG. 4 is a developed view of the cam ring, the lens guide ring, and the cam ring helicoid. 11...Camera body, 12...Fixed tube, 15
, 16...Moving lens, 18...Outer helicoid (inner helicoid), 20...Inner helicoid (
outer circumferential helicoid), 22... cam ring, 24... lens guide ring, 26... linear guide plate, 27... lens guide ring guide groove, 30... front group lens frame, 31
... Rear group lens frame, 32 ... Shutter block,
33... Helicoid ring, 34... Front group moving frame, 35, 36... Guide pin, 41... Front group cam groove, 42... Rear group cam groove, 43, 44... Lens guide groove, 45... Light blocking plate.
Claims (1)
にカム環を支持し、このカム環に、該カム環と光
軸方向には一体に移動し、かつカム環の光軸方向
移動に伴い該カム環に対し相対回転するレンズ案
内環を設け、このレンズ案内環とカム環にそれぞ
れ、少なくとも前後二群の移動レンズ群用のカム
溝とレンズガイド溝とを設け、前後二群の移動レ
ンズに、上記カム溝およびレンズガイド溝の両者
に渡らせて挿通したガイドピンを設けてなり、カ
ム溝とレンズガイド溝が、カム環とレンズ案内環
の光軸方向移動および相対回転の合成運動により
、上記前後の移動レンズを所定の軌跡で移動させ
る形状をなしているズームレンズ鏡筒であつて、
さらに上記レンズ案内環の後端に、有害光線を遮
断する遮光板を設けたことを特徴とするズームレ
ンズ鏡筒。 (2) 請求項１において、レンズ案内環は、固定
筒に光軸方向に直進移動可能にガイドされた直進
案内板を含み、遮光板は、この直進案内板を内方
に延長して形成されているズームレンズ鏡筒。[Claims for Utility Model Registration] (1) A cam ring is supported on the fixed barrel so as to be movable in the optical axis direction as it rotates, and a cam ring that moves integrally with the cam ring in the optical axis direction; A lens guide ring is provided which rotates relative to the cam ring as the cam ring moves in the optical axis direction, and the lens guide ring and the cam ring each have a cam groove and a lens guide groove for at least two moving lens groups, front and rear. A guide pin is provided in the two groups of front and rear movable lenses, and is inserted through both the cam groove and the lens guide groove, and the cam groove and the lens guide groove are arranged so that the light of the cam ring and the lens guide ring is A zoom lens barrel configured to move the front and rear movable lens along a predetermined trajectory by a combined movement of axial movement and relative rotation,
The zoom lens barrel further comprises a light shielding plate for blocking harmful rays at the rear end of the lens guide ring. (2) In claim 1, the lens guide ring includes a linear guide plate guided by the fixed barrel so as to be movable linearly in the optical axis direction, and the light shielding plate is formed by extending the linear guide plate inward. A zoom lens barrel.
Priority Applications (33)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988083595U JPH0618326Y2 (en) | 1988-06-24 | 1988-06-24 | Zoom lens barrel |
| CA000601515A CA1331429C (en) | 1988-06-03 | 1989-06-01 | Zoom lens barrel and camera incorporating such barrel |
| EP94104973A EP0609911B1 (en) | 1988-06-03 | 1989-06-02 | Zoom lens |
| AT94104980T ATE173838T1 (en) | 1988-06-03 | 1989-06-02 | FLEXIBLE PRINTED CIRCUIT BOARD FOR A CAMERA |
| DE68928864T DE68928864T2 (en) | 1988-06-03 | 1989-06-02 | Flexible printed circuit board for one camera |
| DE1989629135 DE68929135T2 (en) | 1988-06-03 | 1989-06-02 | Device for selectively opening and closing a photographic opening of a lens cover |
| US07/361,632 US5144493A (en) | 1988-06-03 | 1989-06-02 | Zoom lens barrel and camera incorporating such barrel |
| DE68918756T DE68918756T2 (en) | 1988-06-03 | 1989-06-02 | Drive for a zoom lens. |
| EP94104972A EP0609910B1 (en) | 1988-06-03 | 1989-06-02 | Apparatus for selectively opening and closing a photographic opening in a lens cover |
| AT94104979T ATE188554T1 (en) | 1988-06-03 | 1989-06-02 | DEVICE FOR SELECTIVE POSITIONING OF A CORRECTIVE OPTICAL ELEMENT IN A CAMERA |
| EP94104980A EP0609913B1 (en) | 1988-06-03 | 1989-06-02 | Flexible printed circuit board for a camera |
| AT94104973T ATE184996T1 (en) | 1988-06-03 | 1989-06-02 | ZOOM LENS |
| DE1994622433 DE69422433T2 (en) | 1988-06-03 | 1989-06-02 | Device for the selective positioning of a corrective optical element in a camera |
| DE68929078T DE68929078T2 (en) | 1988-06-03 | 1989-06-02 | zoom lens |
| EP89110047A EP0344806B1 (en) | 1988-06-03 | 1989-06-02 | Drive mechanism for a zoom lens |
| AT94104972T ATE188781T1 (en) | 1988-06-03 | 1989-06-02 | DEVICE FOR SELECTIVELY OPENING AND CLOSING A PHOTOGRAPHIC OPENING OF A LENS COVER |
| AT89110047T ATE112862T1 (en) | 1988-06-03 | 1989-06-02 | DRIVE FOR A ZOOM LENS. |
| EP94104979A EP0609912B1 (en) | 1988-06-03 | 1989-06-02 | Apparatus for selectively positioning a correcting optical element in a camera |
| KR1019890007642A KR970002510B1 (en) | 1988-06-03 | 1989-06-03 | Joom lens barrel and camera incorporating such a barrel |
| AU36023/89A AU631796B2 (en) | 1988-06-03 | 1989-06-05 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,213 US5262898A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/831,205 US5270868A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,873 US5164757A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,211 US5231449A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| AU34045/93A AU645926B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34043/93A AU647986B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34046/93A AU646196C (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34044/93A AU650384B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| HK98100505A HK1001572A1 (en) | 1988-06-03 | 1998-01-20 | Drive mechanism for a zoom lens |
| HK98104016A HK1004865A1 (en) | 1988-06-03 | 1998-05-08 | Zoom lens |
| HK98104017A HK1004866A1 (en) | 1988-06-03 | 1998-05-08 | Flexible printed circuit board for a camera |
| HK98104015A HK1004864A1 (en) | 1988-06-03 | 1998-05-08 | Apparatus for selectively positioning a correcting optical element in a camera |
| HK98104018A HK1004867A1 (en) | 1988-06-03 | 1998-05-08 | Apparatus for selectively opening and closing a photographic opening in a lens cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988083595U JPH0618326Y2 (en) | 1988-06-24 | 1988-06-24 | Zoom lens barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH025714U true JPH025714U (en) | 1990-01-16 |
| JPH0618326Y2 JPH0618326Y2 (en) | 1994-05-11 |
Family
ID=31308308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988083595U Expired - Lifetime JPH0618326Y2 (en) | 1988-06-03 | 1988-06-24 | Zoom lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0618326Y2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5973722U (en) * | 1982-11-06 | 1984-05-18 | キヤノン株式会社 | Moving aperture of zoom lens |
| JPS59166204U (en) * | 1983-04-21 | 1984-11-07 | ミノルタ株式会社 | Harmful light prevention plate for optical equipment |
| JPS6041012A (en) * | 1983-08-16 | 1985-03-04 | Canon Inc | Zoom lens barrel |
| JPS6112412U (en) * | 1984-06-28 | 1986-01-24 | 株式会社吉野工業所 | Compact container with medium plate |
| JPS6126014A (en) * | 1984-07-16 | 1986-02-05 | Nippon Kogaku Kk <Nikon> | Macro-area focusing device of zoom lens |
| JPS63149616A (en) * | 1986-12-15 | 1988-06-22 | Fuji Photo Optical Co Ltd | Moving structure for lens of camera |
-
1988
- 1988-06-24 JP JP1988083595U patent/JPH0618326Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5973722U (en) * | 1982-11-06 | 1984-05-18 | キヤノン株式会社 | Moving aperture of zoom lens |
| JPS59166204U (en) * | 1983-04-21 | 1984-11-07 | ミノルタ株式会社 | Harmful light prevention plate for optical equipment |
| JPS6041012A (en) * | 1983-08-16 | 1985-03-04 | Canon Inc | Zoom lens barrel |
| JPS6112412U (en) * | 1984-06-28 | 1986-01-24 | 株式会社吉野工業所 | Compact container with medium plate |
| JPS6126014A (en) * | 1984-07-16 | 1986-02-05 | Nippon Kogaku Kk <Nikon> | Macro-area focusing device of zoom lens |
| JPS63149616A (en) * | 1986-12-15 | 1988-06-22 | Fuji Photo Optical Co Ltd | Moving structure for lens of camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0618326Y2 (en) | 1994-05-11 |
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